Modelling the vibration behaviour of stator end windings

Some stator components of large power-station alternators are sensitive features in the mechanical design of these machines. These include in particular the parts at the ends of the windings, outside the core, called "end winding cages". These structures are complex, mainly because of thei...

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Main Authors: Leger, A.C, Szylowicz, N
Format: Conference Proceeding
Language:English
Subjects:
A.c. Machines
Applied sciences
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Finite element analysis
Synchronous machines
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Szylowicz, N
description Some stator components of large power-station alternators are sensitive features in the mechanical design of these machines. These include in particular the parts at the ends of the windings, outside the core, called "end winding cages". These structures are complex, mainly because of their geometry and the variety of materials used. They are also subjected to large electromagnetic forces in both steady-state and accidental operation. Their durability is essential both for safety and for uninterrupted service by the alternators. It is for these reasons that a three-year research and development project was initiated to characterise the structure in modal terms, evaluate its response to various loading, and if possible establish criteria for monitoring in operation. After describing the structure and the physical phenomena involved, the article presents the approach taken in the project, which includes the use of various experimental and numerical methods. The modelling part is then described.
doi_str_mv 10.1049/cp:19971059
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Machines</topic><topic>Applied sciences</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical machines</topic><topic>Exact sciences and technology</topic><topic>Finite element analysis</topic><topic>Synchronous machines</topic><toplevel>online_resources</toplevel><creatorcontrib>Leger, A.C</creatorcontrib><creatorcontrib>Szylowicz, N</creatorcontrib><collection>IET Conference Publications by volume</collection><collection>Pascal-Francis</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Leger, A.C</au><au>Szylowicz, N</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Modelling the vibration behaviour of stator end windings</atitle><btitle>Eighth International Conference on Electrical Machines and Drives</btitle><date>1997</date><risdate>1997</risdate><spage>160</spage><epage>164</epage><pages>160-164</pages><issn>0537-9989</issn><isbn>0852966962</isbn><isbn>9780852966969</isbn><coden>IECPB4</coden><abstract>Some stator components of large power-station alternators are sensitive features in the mechanical design of these machines. These include in particular the parts at the ends of the windings, outside the core, called "end winding cages". These structures are complex, mainly because of their geometry and the variety of materials used. They are also subjected to large electromagnetic forces in both steady-state and accidental operation. Their durability is essential both for safety and for uninterrupted service by the alternators. It is for these reasons that a three-year research and development project was initiated to characterise the structure in modal terms, evaluate its response to various loading, and if possible establish criteria for monitoring in operation. After describing the structure and the physical phenomena involved, the article presents the approach taken in the project, which includes the use of various experimental and numerical methods. The modelling part is then described.</abstract><cop>London</cop><pub>IEE</pub><doi>10.1049/cp:19971059</doi><tpages>5</tpages></addata></record>
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ispartof Eighth International Conference on Electrical Machines and Drives, 1997, p.160-164
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects A.c. Machines
Applied sciences
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Finite element analysis
Synchronous machines
title Modelling the vibration behaviour of stator end windings
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